Yes
Yes.
Sims 3 is available for Mac OS X. You will have to buy a mac specific disc though.
Minecraft is created with Java and can be played on any computer that supports Java including Mac OS X, Windows and Linux systems.
Defense of the Ancients (DotA) can be played with Mac OS X.
Last Chaos requires the Windows Vista or XP operating systems to run. It will not work with Mac OS X. If you have a modern Mac with an Intel processor you can install Windows on the Mac and then play Last Chaos.
Yes.
iPhone apps work on iOS devices (iPhone, iPad or iPod Touch) they will not work on a Mac running Mac OS X 10.7 (Lion) or any other Mac OS X version
minecraft 1.7 Minimum System Requirements:​OS: Windows XP; Mac OS X; GNU/Linux;
Providing the Intel based computer is manufactured by Apple then their Mac OS X software can work on it. The Mac OS X user's licensing agreement prevents Mac OS X being used on computers that are not made by Apple.
It is currently available to buy through the official Minecraft website and is advertised as working on Windows and Mac OS X.
To install MCEdito on your Minecraft Mac OSX you have to download the program from the appropriate website and then follow the instructions on your screen.
Mac OS X 10.6 is later than 10.3 and so it meets the requirements to play the game.
FrostWire will work on a Mac which is running Mac OS X 10.4 or later.
Yes, there is a version of World of Warcraft for Mac OS X on Intel processors.
Mac OS X is the operating system used by G5 Macs. The latest version of Mac OS X that will work on a G5 is Mac OS X 10.5 (also known as Leopard).
No.
Classic Mac OS games can be used in Mac OS X if the Mac is a PowerPC Mac, the game was written for PowerPC processors, and the version of Mac OS X is Tiger or older. They cannot be used on Intel Macs except via the use of a third-party emulator, such as SheepShaver.